99000749 has 4 divisors (see below), whose sum is σ = 101303136. Its totient is φ = 96698364.

The previous prime is 99000739. The next prime is 99000791. The reversal of 99000749 is 94700099.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 94700099 = 13 ⋅7284623.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99000749 is a prime.

It is a super-2 number, since 2×99000749² = 19602296605122002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99000719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1151129 + ... + 1151214.

It is an arithmetic number, because the mean of its divisors is an integer number (25325784).

Almost surely, 2^99000749 is an apocalyptic number.

It is an amenable number.

99000749 is a deficient number, since it is larger than the sum of its proper divisors (2302387).

99000749 is a wasteful number, since it uses less digits than its factorization.

99000749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2302386.

The product of its (nonzero) digits is 20412, while the sum is 38.

The square root of 99000749 is about 9949.9120096612. The cubic root of 99000749 is about 462.6076675560.

The spelling of 99000749 in words is "ninety-nine million, seven hundred forty-nine", and thus it is an aban number.